#sidebar {
  position: fixed;
  z-index: 50;
  right: 0;
  bottom: 9%;
}
#sidebar li {
  box-sizing: border-box;
  width: 85px;
  height: 90px;
  text-align: center;
  background-color: white;
  color: #999;
  border: 1px solid #f5f5f5;
  border-top: none;
  transition: color 0.3s;
  padding-top: 18px;
}
#sidebar li span {
  font-size: 26px;
}
#sidebar li p {
  font-size: 14px;
  margin-top: 8px;
}
#sidebar li:first-child {
  border-top: 1px solid #f5f5f5;
}
#sidebar li:first-child:hover .Qr_code {
  display: flex;
  transition: all 0.3s;
}
#sidebar li:hover {
  color: #ff6a00;
}
#sidebar li .Qr_code {
  position: absolute;
  display: none;
  right: 100px;
  top: 0;
  width: 130px;
  height: 190px;
  line-height: 22px;
  border: 1px solid #f5f5f5;
  background-color: white;
  flex-flow: column;
  justify-content: center;
  align-items: center;
}
#sidebar li .Qr_code img {
  width: 95px;
}
#sidebar li .Qr_code p {
  width: 80px;
  color: #757575;
  margin-top: 10px;
}
#sidebar li .Qr_code i {
  display: block;
  width: 12px;
  height: 12px;
  position: absolute;
  background-color: white;
  right: -8px;
  top: 40px;
  transform: rotate(45deg);
  border: 1px solid #f5f5f5;
  border-left-color: transparent;
  border-bottom-color: transparent;
}
#sidebar li#top {
  margin-top: 16px;
  border-top: 1px solid #f5f5f5;
}
